From nobody Tue Nov 26 18:40:03 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1706153520; cv=none; d=zohomail.com; s=zohoarc; b=MZLRxRSUej7BbRoOL0VQLEuLcOfjVGjkDIXdYezfAhWGdQG8lCnZu28qnZm0OeOHVy0zsVjApEdQGsAapjpuRYkEoMBsVpICk7i2X0MVZdTz6fbILYBU0tal1+GwVeiCL/mkG2f8nz8Q1f0ph/cx/vqxFX3hG+1hcZwZMPWeJiQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1706153520; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=1v7QTLd9fWs2ZI1nIW+ENXGZeLZqBbkvaAOVELqeY70=; b=V7xD9FZqCX/M2vIHdOnaC9yQ1PwKs6eHv+G7J1ykA9aE/mh049jvL6FpILCLvy95Wu7nRbZ9/4lrzjJdEPpLch9ZANrVf6HOmOE9Ewi9rBP9BLxRlyJHij/gbr5Pq8zAT9rakmwGSqF/s5kgHKuRIwQ5F46lhRqxd5F+ddxynCM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1706153520305190.48016108446598; Wed, 24 Jan 2024 19:32:00 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rSqQi-0004uQ-8T; Wed, 24 Jan 2024 22:29:28 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rSqQc-0004dp-94 for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:29:22 -0500 Received: from mgamail.intel.com ([192.198.163.10]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rSqQa-0001E0-MH for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:29:22 -0500 Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2024 19:25:44 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orviesa005.jf.intel.com with ESMTP; 24 Jan 2024 19:25:39 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706153360; x=1737689360; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/PLyrro5dd89ZWfyEgAo1R5hVn42ceVfzKP1QUuA2Kc=; b=IyGj6axQrBew1YyxvFdkPV2ljzFOiKzFMEDRA/YFwwPYvlGGrb2ItxDY mS+fqLwN5AKYoz8Zy1N0mQvVe6R+QyL4FNoYqJy0yDhq2jBjbtQCZNQzi Wz7jxuHu7ZFYSS8c1nD+y/lcqNWkymxpHRzW7KaOZpiRSrwDIdOqLo/kT Zf8Lp4e1zSU9e8mILpNIn21kS40Dr14S0auw+Zj7nqm1VOsxmkKAQrWAQ EADAyMDikwZI7T74FUoSWAVAIDwpQEGiHJsGlmtty1wBbEHirV/aWVykN mw7KWo1lb8vODE1vwmoDE4dhg5xPymGR7H8DGcyFtZGNiLLwH7vRF2j3M w==; X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="9428691" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="9428691" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="2085617" From: Xiaoyao Li To: Paolo Bonzini , David Hildenbrand , Igor Mammedov , "Michael S . Tsirkin" , Marcel Apfelbaum , Richard Henderson , Peter Xu , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Cornelia Huck , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, xiaoyao.li@intel.com, Michael Roth , Sean Christopherson , Claudio Fontana , Gerd Hoffmann , Isaku Yamahata , Chenyi Qiang Subject: [PATCH v4 23/66] kvm: Introduce kvm_arch_pre_create_vcpu() Date: Wed, 24 Jan 2024 22:22:45 -0500 Message-Id: <20240125032328.2522472-24-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240125032328.2522472-1-xiaoyao.li@intel.com> References: <20240125032328.2522472-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.198.163.10; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.5, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.999, HK_RANDOM_FROM=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1706153520580100001 Content-Type: text/plain; charset="utf-8" Introduce kvm_arch_pre_create_vcpu(), to perform arch-dependent work prior to create any vcpu. This is for i386 TDX because it needs call TDX_INIT_VM before creating any vcpu. Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann --- Changes in v3: - pass @errp to kvm_arch_pre_create_vcpu(); (Per Daniel) --- accel/kvm/kvm-all.c | 10 ++++++++++ include/sysemu/kvm.h | 1 + 2 files changed, 11 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index def2b46b9de2..7b177e3ee7c5 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -418,6 +418,11 @@ static int kvm_get_vcpu(KVMState *s, unsigned long vcp= u_id) return kvm_vm_ioctl(s, KVM_CREATE_VCPU, (void *)vcpu_id); } =20 +int __attribute__ ((weak)) kvm_arch_pre_create_vcpu(CPUState *cpu, Error *= *errp) +{ + return 0; +} + int kvm_init_vcpu(CPUState *cpu, Error **errp) { KVMState *s =3D kvm_state; @@ -426,6 +431,11 @@ int kvm_init_vcpu(CPUState *cpu, Error **errp) =20 trace_kvm_init_vcpu(cpu->cpu_index, kvm_arch_vcpu_id(cpu)); =20 + ret =3D kvm_arch_pre_create_vcpu(cpu, errp); + if (ret < 0) { + goto err; + } + ret =3D kvm_get_vcpu(s, kvm_arch_vcpu_id(cpu)); if (ret < 0) { error_setg_errno(errp, -ret, "kvm_init_vcpu: kvm_get_vcpu failed (= %lu)", diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 0e88958190a4..2f6592859ac6 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -341,6 +341,7 @@ int kvm_arch_get_default_type(MachineState *ms); =20 int kvm_arch_init(MachineState *ms, KVMState *s); =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp); int kvm_arch_init_vcpu(CPUState *cpu); int kvm_arch_destroy_vcpu(CPUState *cpu); =20 --=20 2.34.1